EP2073224A3 - Capacitor protection device - Google Patents

Capacitor protection device Download PDF

Info

Publication number
EP2073224A3
EP2073224A3 EP08354075A EP08354075A EP2073224A3 EP 2073224 A3 EP2073224 A3 EP 2073224A3 EP 08354075 A EP08354075 A EP 08354075A EP 08354075 A EP08354075 A EP 08354075A EP 2073224 A3 EP2073224 A3 EP 2073224A3
Authority
EP
European Patent Office
Prior art keywords
protection device
capacitor
envelope
conductor
intended
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08354075A
Other languages
German (de)
French (fr)
Other versions
EP2073224A2 (en
EP2073224B1 (en
Inventor
Romain Pellet-Gallay
Jean-Marc Lupin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Priority to PL08354075T priority Critical patent/PL2073224T3/en
Publication of EP2073224A2 publication Critical patent/EP2073224A2/en
Publication of EP2073224A3 publication Critical patent/EP2073224A3/en
Application granted granted Critical
Publication of EP2073224B1 publication Critical patent/EP2073224B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/14—Protection against electric or thermal overload
    • H01G2/18—Protection against electric or thermal overload with breakable contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/14—Protection against electric or thermal overload

Abstract

Un dispositif de protection (11) pour condensateur équipé d'une enveloppe, ledit dispositif comprenant :
- un boitier (13, 14) destiné à être monté sur l'enveloppe,
- un conducteur fracturable (41) destiné à être monté en série avec une armature du condensateur,
- des moyens de rupture, et
- une partie mobile (18) déplaçable en translation, sous l'effet de la pression dans l'enveloppe, ladite partie mobile étant montée de façon à actionner les moyens de rupture lorsque la pression dépasse un seuil de déclenchement,

caractérisé en ce que les moyens de rupture comportent des moyens d'accumulation (53) d'une énergie nécessaire pour rompre le conducteur (41), et des moyens de verrouillage et de déverrouillage permettant de libérer ladite énergie lorsque les moyens de rupture sont actionnés.A capacitor protection device (11) with an envelope, said device comprising:
a housing (13, 14) intended to be mounted on the envelope,
a fracturable conductor (41) intended to be mounted in series with a capacitor armature,
- means of rupture, and
a movable part (18) displaceable in translation, under the effect of the pressure in the envelope, said movable part being mounted so as to actuate the breaking means when the pressure exceeds a trigger threshold,

characterized in that the breaking means comprise means (53) for accumulating energy necessary to break the conductor (41), and locking and unlocking means for releasing said energy when the breaking means are actuated .

Un condensateur comportant le dispositif de protection.

Figure imgaf001
A capacitor having the protection device.
Figure imgaf001
EP08354075.7A 2007-12-17 2008-10-21 Capacitor protection device Active EP2073224B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08354075T PL2073224T3 (en) 2007-12-17 2008-10-21 Capacitor protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0708787A FR2925209B1 (en) 2007-12-17 2007-12-17 PROTECTIVE DEVICE FOR CAPACITOR

Publications (3)

Publication Number Publication Date
EP2073224A2 EP2073224A2 (en) 2009-06-24
EP2073224A3 true EP2073224A3 (en) 2010-04-21
EP2073224B1 EP2073224B1 (en) 2013-12-11

Family

ID=39596408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08354075.7A Active EP2073224B1 (en) 2007-12-17 2008-10-21 Capacitor protection device

Country Status (6)

Country Link
EP (1) EP2073224B1 (en)
CN (1) CN101465203B (en)
BR (1) BRPI0805367B1 (en)
ES (1) ES2444123T3 (en)
FR (1) FR2925209B1 (en)
PL (1) PL2073224T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680938B (en) * 2013-12-06 2017-02-08 德力西电气有限公司 Explosion proof type capacitor
US9911533B2 (en) 2016-06-28 2018-03-06 Cornell Dubilier Electronics, Inc. Capacitor with pressure interrupter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589618A1 (en) * 1985-10-31 1987-05-07 Telemecanique Electrique Protection device for capacitor in leaktight casing
US5148347A (en) * 1990-05-09 1992-09-15 Aerovox Incorporated Polymer-encased electrical capacitor with pressure sensitive circuit interrupter
EP0634760A1 (en) * 1993-07-16 1995-01-18 SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG Electrical capacitor with overpressure protection
FR2782411A1 (en) * 1998-08-13 2000-02-18 Prefatech Protective disconnection device for self-healing dielectric power factor correction capacitor, has separate portion of housing into which disconnection-activating membrane can expand
EP1030321A1 (en) * 1999-02-18 2000-08-23 ICAR S.p.A.-Industria Condensatori Applicazioni Elettroelettroniche Improved self-regenerable capacitor
EP1045408A1 (en) * 1999-04-15 2000-10-18 ITALFARAD S.p.A. Overpressure explosion-preventing capacitor provided with double quick-coupling elastic contacts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2890486B1 (en) * 2005-09-08 2008-02-01 Schneider Electric Ind Sas POWER CAPACITOR

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589618A1 (en) * 1985-10-31 1987-05-07 Telemecanique Electrique Protection device for capacitor in leaktight casing
US5148347A (en) * 1990-05-09 1992-09-15 Aerovox Incorporated Polymer-encased electrical capacitor with pressure sensitive circuit interrupter
EP0634760A1 (en) * 1993-07-16 1995-01-18 SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG Electrical capacitor with overpressure protection
FR2782411A1 (en) * 1998-08-13 2000-02-18 Prefatech Protective disconnection device for self-healing dielectric power factor correction capacitor, has separate portion of housing into which disconnection-activating membrane can expand
EP1030321A1 (en) * 1999-02-18 2000-08-23 ICAR S.p.A.-Industria Condensatori Applicazioni Elettroelettroniche Improved self-regenerable capacitor
EP1045408A1 (en) * 1999-04-15 2000-10-18 ITALFARAD S.p.A. Overpressure explosion-preventing capacitor provided with double quick-coupling elastic contacts

Also Published As

Publication number Publication date
FR2925209A1 (en) 2009-06-19
EP2073224A2 (en) 2009-06-24
EP2073224B1 (en) 2013-12-11
BRPI0805367A2 (en) 2009-08-18
BRPI0805367B1 (en) 2018-12-11
ES2444123T3 (en) 2014-02-24
FR2925209B1 (en) 2009-11-27
CN101465203B (en) 2012-07-04
PL2073224T3 (en) 2014-05-30
CN101465203A (en) 2009-06-24

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